Folding chair



Jan. 20, 1931. A. ems 1,789,404

FOLDING CHAIR Filed Aug. 31, 1928 2 Sheets-Sheet l INVENTOR 11 WW frahms',

Jan. 20, 1931. A.'GRAMS ,-v1'89-,404

FOLDING CHAIR Filed Aug. 51, 1928 2 Sheets-SheM 2 B i 2t v/ ATTORNEY Patented Jan. 20,

Y i This intention :e'eiites, ne-wh t). it-.1

provements; in* -fo1ding chairs? endwzthesame hes for its piiino'ipal object tol provicle, in; combination} a :seat' "por'tion' @Withn foldeble? 5 5" Support a nd aj fold-ablel backs-portion; the.

parts being-sod'cl'evisedlancl mutiially-intereon-H v When wthe chain is opened ont,-i?may be :selcti vely. adjusted toizaiious ang-les. 1c

' Theiinvention hes fonieifurthei objctto? provide. :a folding chain eonstiuctiph'twhieh; although" strong andeduliahle neiizentheless is? p exceedingly light. in Weight which ma be:

, collapsedinto a' ierycompietofinditibriWhen folded up and whiohjpo'ssesses sen; arrange.-

.20 ment andconstrilctiQn:,ofifle'xihle See-t end back webs Whichl'meybe: easily dismQUIltQdi from their supportingiimme Structures fen cleansing onrene'w'al.

" time more particularly eninnereted, ;willbe clearly "understood from the -;f 1;lo i ng; g1e-. tailed clescriptionof th same or s up. sa e per ve s e se coed .3; Fig. e' is a top or plan-vieweof thesemepand F1'g.- 3 is a vertical ;longitndinal sections. v M v 7 7 1'; bar- 18. The seidfbars-lT-elSere preferebly Fig. 5 is a side elevetijon and Eig '6 is.

throtigh the same.

front elevation of thenovel folding Choir 40* collapsed to folded up condition.-

v Fig, 7 is an enlergecl'fl egmentery side ele Nation showing the vinterlo ;ki n' g. connection between the back frame and seat supporting.

frame, When the chair is setup in service; condition; and Fig. ,8 is .anotherwview ofsaid parts looking ltowercl the left inliig. 7,

Similar, characters flof Yreifefeneei ere em}; ployecl in all of the herein above described triews, toindicate corresponding perts 1 Referrmgv now to said ,cl ewln gs the their A Sir GRAMsFQEIiH ABK lmW JE E 'or rnng12,1the pivoting scr'ewsil iof theleg Y I ltlll being seuredin!theefendsg ioffsaitljza '60,

' footing' ri; ngs lit-+15, provide. at-substantial tion' Fi 2 is a'front elevationfof the same 7 b e 4 s 1 se'et supporting fnanie eoxnpnisese pairs of front legs- 10 and rear legs 11 pivotally. Icon-' 1 n' eeteclitogether-iet .th'eir icentr al per-eons so i as to provide :erossed iofxsbeped supports at spectiiieip aiiis 0f; legsllOali. thils provided? a-re laterallyspecedfbye-oentrel ivotbei;

central pivetbar 1.0.15. "rung;,-1'2,:1 onsliicli'v other type of piv'ote'l; connection theifOf-With-the ends' of.thelatterIes nieylbe desinablemaiygbe employed; The'rlegsgilflendallgere preferf' ably made metalbars,ajsinoei s11c11,=inatei"ia1; j V affordsv adequate, stiength=; -encl dtirelqi.lityfv 65 whilex tjthe.same,timez bein c "bulk1or..thiekness.;: The?lowerzextremitiespi; Y r I c the-frontlegs 1O. er einterconnf ct fiz by LiQ-Ot;

ing rung 14c, and, in like' 1nz1nner;3the:lQWelfa extremitieshoi the rear legs 11 are nlt'er- Connected by ejecting-mingle. Thefooting rungs 14 and 15.nIaJ-ybe attaohedtOjjllljSLid p v e legs-"by fasteningjsorews 16, o1'7.;1ny; othe r. Other objects of hisf i v veelltion, 1 a l th s suitable ioi m odf 'fastening l'hQQqllS Said bearing or footing, contactith' the surface upon which the -ehair stenc'ls; j and permit o the the eing edeq ete y a l QfiI ly sup: *p-e tee eYe on vso tise i San i us-l e abl ng t l ei tic be S s. ii y se as ch: e send forzbth r ntr u e;

,Ihe upper extrenoit iesof the [front legs l0 e nt rconn c ed bye; lat r l seats pp rt- 5 ing bar -1Z ,?and, lin: like manner, the upper, e t-remi iescithe ee egs .1 r i t o nected by e similar lateral seat supporting v ofeylindfical fo m and the same are remove ably 7: or ,detechably assembled in operative extension between seicl -leg-por tionsby suit- 9e abl v asten ng devi es, such? s h i cr n wllt r is xte na tilior step} pq 'tic s; 9. -.(s.ej i I flexible seat member.

The reference character 20 indicates a This seat member may be made of canvas, leather or any, other flexible material, and the same is provided respectively at its front and rear'marginal portions with attachment loopsor sleeves 21 and 22 'which vmay beyrespectively engaged i over the supporting bars 18and.-. l 7 It will 7 1 be obvious, that, by disengagingthefastening screws 19, the supporting bars 18 and 17 i may be removed from *the seat= -siipporting' frame structure, whereby the seat member 20 may be detached from the bars 18 andl'? either for cleansing or replacement, 7

The back portions of he chair comprises pair of s de uprights 23 wh1ch are plvotally,

attached at their. lower-end portions to ithe' rearrlegs11 at points intermediate thefoot.

portions 1 and the pivotal connection of said" rear legs with .thefronto legs 10 ,so asfto eX-V, tend upwardly atthe sides of said chair seat portion. Said sideiu'prights. 23 are prefer- 'ably produced :from metal bars adapted to .tion 'of each ormdentation 27.--

p 7 afford a'dec ua'te"strength and durability with 25 a minimum .of. .bulk. The upper extremities of said'sideiuprights 23 are interconnectedtogetherbya top rung: 24c and also by a second rung '253at p'ointseabove and adjacent to the seat member 20, said rungs 2 1,and 25 being suitably! securedi to the side uprights by' scr'ews' 26 0i other suitable fastening means; "Fo'rmed '.-in }'the rear. marginal per- 7 side upright isa locking'not'ch The rear leg members 11- are provided witha plurality of spaced'perforations 28, or the lower end" portions ofsaid side uprights 23 are providedwith a plurality of spaced per forations 29,for both sets of perforations 28" and 29 may be' furnished, all whereby the" pivoted ends-of said side uprights 23 may be variously adjusted by locating the pivot bolts 30in and through selectively registered" perforations28 and 29 to thereby selectively? determine the positio'n of the locking notch or indentation 27 so that'the inclination of the chair back portion relative to the seat portion, when the chair is set up, may" be s'e opened out X shape, thereby spreading the upper portionsap art to stretchthe seat mem ber 20 into operative horizontal extension anda'oven the lexternalistud'or-stop portions 19' and ithe'upperiendsaofthelegs 10, thereby positioning and holding the chair back portion in operative service relation to the seat- ;.To,cellapse the chair to'folded position, the bacli'portion is released from engaged relationtothe studs 19f, and swung to a substantiallyf vertica l po si'tioh, whereupon the legs 10%11: are swung together-ontheirpivotal connectionswiththeir upper-portions respec tivelyj disposed on opposite sides of the back portibmkandavith the'seat inember20 depend ing therefroml'and beneath-the 'fjsecond rung 2-5Jof'the chair back portion, allas shown par;

- tic'ularly iii-Figs. 5 1 and 1.6 1 of the drawings' WVhen thusicollapsed' the: :chair folds into a compact substantially =flat body, so thata very o considerable number thereof may be stood'or piled together inoa minimum of storage space. I From the above description it; 'Twill' be ap-; parent that ;the novel folding chair of this invention will provide awery strong and yet lightweight device adapted foricompact re 'duction in bulk when not in use"; ittherefore follows" that the chair is admirablyadapted for service wherever a; folding .chair is de-: s red, and 1s 'especi'ally adapted; for under- 7 takers" use, caterersuse and-for s milar uses in connection with; which a light strong chairisdesired whi chis readilyportable, and which isso devisedthat when collapsed a very considerable number thereof maybe'transported or storedsoras to occupy a minimum ofspacej f Another feature ofthe invention which is of advantage resides in the arrangements provided for mounting and dismounting the seat member "20 and back'member 31 from the chair frame, jwhe'reby such parts may be easily and quickly removed for cleansing orreplacementfall tothe end that the chairs may be,

easily maintained ingoodappearance as well i as'functionally effi'ci'ent.

-A's many changes could be made in the above described construction and many widely different embodiments of this invention could'be made without departing from the scope thereof, it is'intendedthat all matter contained in the 'above description or shown inthe accompanyin'g'drawings shall be interpreted as illustrative and not in a limiting sense" 'l'claim'z," r

Y 1'. A folding chair, consisting in a seat portion comprising laterally spacedpairs of front and rear legsin-crossed' relation and pivotally connected at the juncturesfof crossing, a pivot rung extending between said pairs of legs, lateral supporting 'bars' secured respectively to and between the upper ends of said front legs and the upper ends'of said rear legs, a flexible seat member Connected with and extending betweensaid supporting bars; a back portion compr slng a frame provided wvith side uprights'having their lower ends pivotally and positively'attached to the lower portions of said rear legs, a back member supported by said frame, said side uprights of the frame having indented locking notches in their rear marginal portions, and external stop projections at the upper rearward ends of said front legs engageable by said locking notches to interlock said backportionand seat portion together in operative opened out SBIVICGPOSltlOIl. o

2. A folding chair, consisting in a seat portion comprising laterally spaced pairs of front and. rear .legs in crossed relationand .pivotally connected at the'junctures of crossing, a pivot rung extending 'betweensaid pairs-of legs, footing rungs respectively se-f cured to and between the lower extremities of said fron'tlegs and of saidrear legs, lateral -support1 ng-bars secured respectively to and; between the upper ends of said front legs and the upper ends of said rear legs, a flexible seat member connected with and extend ing between said supporting bars; a back porr tion comprising a frame provided with side uprights having their lower, endspivotally and positively attached to the lower portions ''of said rear legs, the pivotal attachment'of said back portion with jthelower portions of said rear legs being'adjustable to provide for selectively I varying the; 7 angle 7 of inclina ation of said back portion withres'pect to said flexible seat as well as tofix the amount vof slack in said seat, a back member supportedbysaid frame, said side uprights of the frame having indented locking, notches in their. rear marginal portions, and external stop projections at the upper rearward ends of said front legs'engageable by Isaidlocking notches to interlock said back portion and seat portion togetherin service position. 7

3. A folding chair, consisting in a seat portion comprising laterally spaced pairs of operative'opened out front and rear legs in crossed relation and pivotally connected at the junctures of cross- -ing, a pivot rung extending between said pairs of legs, lateral supporting bars secured respectively to and between the upper ends of said front legs and the upper end-s of said 1 rear legs, means for detachably retaining V said supporting bars in assembled relation-to said legs, a flexible seat member having attachment loops removably engageable over said supporting bars; the lower portions of said rear legshaving a plurality of spaced apertures therein, a back'portion comprising 7 selectivelyconnecting apertures of said back portion with apertures of said rear legs,

whereby the angle ofinclination of saidback portion with respect tosaidflexible seat is varied as desired, lateral rungs fixed to and, between said side uprightsabov'e said seat portioina removable back member in the form of a sleeve to slide over the upper portion of said frame so asto be continuously supported thereby, 'saidside uprights of the frame hav:

ing indented locking notches in-their. rear marginal portions, and external jstop pro-- jections at the upper rearward ends of said Y front legs engageable by said locking notches i.

to interlock said back portion and seat p'or 4. A folding chair, consisting ina seatpor tion comprising laterally spaced pairs of I tion and pivotal ly connected at th'ejuncturesf of cross1ng,a pivot rung extending between a front and apertured rear legs in crossed rela;

said pairs of legs,footing rungs'respectively secured to and between the lower extremities i ofsaid front legs and of saidrear legs, lateralsupporting barssecured respectively to and between the upper ends of said front means foridetachably retaining said supporting-bars in assembled relation to said legs, a

removably' engageable" over said supporting bars; aback portion cOmprisinga frame provided with side uprights having their lower end portionsprovidedwith a plurality ofapertures, pivot bolts extending through apertures in said back portion, and in said rear lfegs,'whereby saidbackportion' is pivotally attached in selected angular positions to the lower portions of said rearlegs, lateral rungs fixed to and between' said side vuprights above vsaid seat portion, aremovable back member in the form of a sleeve to slide over the upper portion of said frame so as to be continuously supported thereby, said side uprights of the frame having indented locking notches in V of said front legs engageable by said looking notches tointerlock said back portion and seatportiontogether in operative opened out service position.

In testimony-that I set forth above I have hereunto set my hand this 28th day of August, 1928.

r a frame provided with side uprights having a plurality of spaced apertures in their lower end portions, connecting means arranged for claim the invention their rear marginal portions, and external stop pro ect1ons at the upper rearward ends eusr GRAMS.-. I

'- tion together in operatlve' opened out servlce position. V a l 

